Cutting blade



FIG. 1 is a perspective view of the design of this invention;

FIG. 2 is a top view;

FIG. 3 is a bottom view;

FIG. 4 is a side view;

FIG. 5 is a second side view;

FIG. 6 is a front view; and,

FIG. 7 is a rear view. 

CLAIM The ornamental design for a cutting blade, as shown and described. 